Q6 (a) In ∆ABC, A = 900. If AB = 7 cm and BC - AC = 1 cm, find:
(i) sin C
(ii) tan B
(b) In ∆PQR, Q = 900. If PQ = 40 cm and PR + QR = 50 cm, find:
(i) sin P
(ii) cos P
(iii) tan R.
Solution
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